120231232213 has 4 divisors (see below), whose sum is σ = 121878235468. Its totient is φ = 118584228960.

The previous prime is 120231232193. The next prime is 120231232249. The reversal of 120231232213 is 312232132021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61166193124 + 59065039089 = 247318^2 + 243033^2 .

It is a cyclic number.

It is not a de Polignac number, because 120231232213 - 2¹⁷ = 120231101141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120231232273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823501518 + ... + 823501663.

It is an arithmetic number, because the mean of its divisors is an integer number (30469558867).

Almost surely, 2^120231232213 is an apocalyptic number.

It is an amenable number.

120231232213 is a deficient number, since it is larger than the sum of its proper divisors (1647003255).

120231232213 is an equidigital number, since it uses as much as digits as its factorization.

120231232213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647003254.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 120231232213 its reverse (312232132021), we get a palindrome (432463364234).

The spelling of 120231232213 in words is "one hundred twenty billion, two hundred thirty-one million, two hundred thirty-two thousand, two hundred thirteen".